;;;; numbers.test --- tests guile's numbers     -*- scheme -*-
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;;;
;;; htonl
;;;

(with-test-prefix "htonl"

  (pass-if "0" (eqv? 0 (htonl 0)))

  (pass-if-exception "-1" exception:out-of-range
    (htonl -1))

  ;; prior to guile 1.6.9 and 1.8.1, systems with 64-bit longs didn't detect
  ;; an overflow for values 2^32 <= x < 2^63
  (pass-if-exception "2^32" exception:out-of-range
    (htonl (ash 1 32)))

  (pass-if-exception "2^1024" exception:out-of-range
    (htonl (ash 1 1024))))

;;;
;;; ntohl
;;;

(with-test-prefix "ntohl"

  (pass-if "0" (eqv? 0 (ntohl 0)))

  (pass-if-exception "-1" exception:out-of-range
    (ntohl -1))

  ;; prior to guile 1.6.9 and 1.8.1, systems with 64-bit longs didn't detect
  ;; an overflow for values 2^32 <= x < 2^63
  (pass-if-exception "2^32" exception:out-of-range
    (ntohl (ash 1 32)))

  (pass-if-exception "2^1024" exception:out-of-range
    (ntohl (ash 1 1024))))
